About the rent in Castlegal search page: You searched for property to rent in Castlegal. At the moment we have 1 property available for rent right now in Castlegal. Let.ie also has a fantastic range of choice outside of the Castlegal rental area as well. In Sligo we have a total of 17 houses, apartments and flats available to let. To get an overview of the entire Sligo lettings market click on the Rent Sligo overview page.